diff --git a/boards/avsextrem/drivers/avsextrem-smb380.c b/boards/avsextrem/drivers/avsextrem-smb380.c
index 3884217bc5a30a7076d02c314c301e69cd4211b9..491c6b81113171add5f052800dd09fbf898646df 100644
--- a/boards/avsextrem/drivers/avsextrem-smb380.c
+++ b/boards/avsextrem/drivers/avsextrem-smb380.c
@@ -66,7 +66,7 @@ uint8_t counter_Decreasing = 0;
 volatile uint16_t interruptTicksSMB380;
 
 typedef struct {
-    u_int writePointerPos;  //Writepointer position
+    unsigned writePointerPos;  //Writepointer position
     /*
      * check value for updated range settings (only needed for multiplication
      * in Float-mode